./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_1-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-1_1-join.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:26:41,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:26:41,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:26:41,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:26:41,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:26:41,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:26:41,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:26:41,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:26:41,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:26:41,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:26:41,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:26:41,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:26:41,387 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:26:41,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:26:41,388 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:26:41,388 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:26:41,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:26:41,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:26:41,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:26:41,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:26:41,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:26:41,389 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:26:41,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:26:41,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:26:41,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:26:41,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:26:41,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:26:41,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:26:41,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:26:41,390 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2025-02-08 05:26:41,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:26:41,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:26:41,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:26:41,611 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:26:41,611 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:26:41,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_1-join.i [2025-02-08 05:26:42,815 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1581b909/0fd67cc6627441e0b1ecce8a1a350ca7/FLAG923bb3173 [2025-02-08 05:26:43,178 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:26:43,179 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2025-02-08 05:26:43,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1581b909/0fd67cc6627441e0b1ecce8a1a350ca7/FLAG923bb3173 [2025-02-08 05:26:43,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1581b909/0fd67cc6627441e0b1ecce8a1a350ca7 [2025-02-08 05:26:43,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:26:43,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:26:43,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:26:43,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:26:43,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:26:43,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:26:43" (1/1) ... [2025-02-08 05:26:43,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9fff35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:43, skipping insertion in model container [2025-02-08 05:26:43,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:26:43" (1/1) ... [2025-02-08 05:26:43,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:26:43,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:26:43,887 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:26:43,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:26:44,030 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:26:44,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44 WrapperNode [2025-02-08 05:26:44,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:26:44,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:26:44,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:26:44,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:26:44,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,080 INFO L138 Inliner]: procedures = 481, calls = 25, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 128 [2025-02-08 05:26:44,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:26:44,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:26:44,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:26:44,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:26:44,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,104 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:26:44,112 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:26:44,112 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:26:44,112 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:26:44,113 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (1/1) ... [2025-02-08 05:26:44,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:26:44,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:26:44,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:26:44,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:26:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:26:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:26:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:26:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-08 05:26:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:26:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:26:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 05:26:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:26:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 05:26:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 05:26:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:26:44,180 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:26:44,379 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:26:44,380 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:26:44,506 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:26:44,507 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:26:44,520 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:26:44,520 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:26:44,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:26:44 BoogieIcfgContainer [2025-02-08 05:26:44,521 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:26:44,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:26:44,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:26:44,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:26:44,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:26:43" (1/3) ... [2025-02-08 05:26:44,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a1b344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:26:44, skipping insertion in model container [2025-02-08 05:26:44,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:44" (2/3) ... [2025-02-08 05:26:44,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a1b344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:26:44, skipping insertion in model container [2025-02-08 05:26:44,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:26:44" (3/3) ... [2025-02-08 05:26:44,528 INFO L128 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2025-02-08 05:26:44,539 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:26:44,541 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-1_1-join.i that has 2 procedures, 150 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2025-02-08 05:26:44,541 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:26:44,577 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 05:26:44,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 321 flow [2025-02-08 05:26:44,653 INFO L124 PetriNetUnfolderBase]: 6/124 cut-off events. [2025-02-08 05:26:44,655 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:44,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 124 events. 6/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 162 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2025-02-08 05:26:44,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 157 transitions, 321 flow [2025-02-08 05:26:44,661 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 103 transitions, 209 flow [2025-02-08 05:26:44,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:26:44,680 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4cf14c99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:26:44,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-08 05:26:44,684 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:26:44,685 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-02-08 05:26:44,685 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:44,685 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:44,685 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:26:44,685 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:26:44,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:44,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1719532704, now seen corresponding path program 1 times [2025-02-08 05:26:44,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:44,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545680323] [2025-02-08 05:26:44,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:44,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:44,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 05:26:44,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 05:26:44,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:44,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:44,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:44,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545680323] [2025-02-08 05:26:44,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545680323] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:44,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:44,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:44,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978467513] [2025-02-08 05:26:44,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:44,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:44,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:44,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:44,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:44,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2025-02-08 05:26:44,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 103 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:44,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:44,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2025-02-08 05:26:44,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:45,009 INFO L124 PetriNetUnfolderBase]: 0/94 cut-off events. [2025-02-08 05:26:45,010 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:26:45,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 94 events. 0/94 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 4/90 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2025-02-08 05:26:45,013 INFO L140 encePairwiseOnDemand]: 150/157 looper letters, 11 selfloop transitions, 2 changer transitions 6/94 dead transitions. [2025-02-08 05:26:45,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 217 flow [2025-02-08 05:26:45,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2025-02-08 05:26:45,026 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8471337579617835 [2025-02-08 05:26:45,028 INFO L175 Difference]: Start difference. First operand has 103 places, 103 transitions, 209 flow. Second operand 3 states and 399 transitions. [2025-02-08 05:26:45,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 217 flow [2025-02-08 05:26:45,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 94 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:26:45,035 INFO L231 Difference]: Finished difference. Result has 99 places, 88 transitions, 182 flow [2025-02-08 05:26:45,037 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=99, PETRI_TRANSITIONS=88} [2025-02-08 05:26:45,041 INFO L279 CegarLoopForPetriNet]: 103 programPoint places, -4 predicate places. [2025-02-08 05:26:45,042 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 88 transitions, 182 flow [2025-02-08 05:26:45,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,042 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:45,043 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:26:45,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:26:45,043 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:26:45,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:45,045 INFO L85 PathProgramCache]: Analyzing trace with hash -523599169, now seen corresponding path program 1 times [2025-02-08 05:26:45,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:45,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878629165] [2025-02-08 05:26:45,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:45,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:45,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 05:26:45,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 05:26:45,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:45,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:45,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:45,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878629165] [2025-02-08 05:26:45,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878629165] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:45,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:45,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:45,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083210698] [2025-02-08 05:26:45,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:45,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:45,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:45,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:45,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:45,231 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 157 [2025-02-08 05:26:45,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 88 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:45,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 157 [2025-02-08 05:26:45,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:45,252 INFO L124 PetriNetUnfolderBase]: 0/85 cut-off events. [2025-02-08 05:26:45,253 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:26:45,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 85 events. 0/85 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 1/82 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2025-02-08 05:26:45,255 INFO L140 encePairwiseOnDemand]: 149/157 looper letters, 5 selfloop transitions, 4 changer transitions 3/85 dead transitions. [2025-02-08 05:26:45,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 85 transitions, 196 flow [2025-02-08 05:26:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2025-02-08 05:26:45,259 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8237791932059448 [2025-02-08 05:26:45,259 INFO L175 Difference]: Start difference. First operand has 99 places, 88 transitions, 182 flow. Second operand 3 states and 388 transitions. [2025-02-08 05:26:45,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 85 transitions, 196 flow [2025-02-08 05:26:45,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 85 transitions, 192 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:26:45,263 INFO L231 Difference]: Finished difference. Result has 90 places, 82 transitions, 174 flow [2025-02-08 05:26:45,263 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=90, PETRI_TRANSITIONS=82} [2025-02-08 05:26:45,263 INFO L279 CegarLoopForPetriNet]: 103 programPoint places, -13 predicate places. [2025-02-08 05:26:45,264 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 82 transitions, 174 flow [2025-02-08 05:26:45,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,265 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:45,265 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:26:45,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:26:45,265 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:26:45,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash 117883521, now seen corresponding path program 1 times [2025-02-08 05:26:45,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:45,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190114822] [2025-02-08 05:26:45,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:45,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:45,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 05:26:45,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 05:26:45,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:45,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:45,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:45,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190114822] [2025-02-08 05:26:45,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190114822] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:45,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:45,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:45,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944810629] [2025-02-08 05:26:45,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:45,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:45,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:45,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:45,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:45,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2025-02-08 05:26:45,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 82 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:45,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2025-02-08 05:26:45,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:45,426 INFO L124 PetriNetUnfolderBase]: 0/81 cut-off events. [2025-02-08 05:26:45,426 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 05:26:45,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 81 events. 0/81 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2025-02-08 05:26:45,426 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 10 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2025-02-08 05:26:45,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 81 transitions, 196 flow [2025-02-08 05:26:45,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2025-02-08 05:26:45,427 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8365180467091295 [2025-02-08 05:26:45,427 INFO L175 Difference]: Start difference. First operand has 90 places, 82 transitions, 174 flow. Second operand 3 states and 394 transitions. [2025-02-08 05:26:45,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 81 transitions, 196 flow [2025-02-08 05:26:45,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 81 transitions, 188 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:26:45,429 INFO L231 Difference]: Finished difference. Result has 86 places, 81 transitions, 168 flow [2025-02-08 05:26:45,429 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2025-02-08 05:26:45,429 INFO L279 CegarLoopForPetriNet]: 103 programPoint places, -17 predicate places. [2025-02-08 05:26:45,429 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 168 flow [2025-02-08 05:26:45,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,430 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:45,430 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:26:45,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:26:45,430 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:26:45,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:45,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1246377003, now seen corresponding path program 1 times [2025-02-08 05:26:45,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:45,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984411525] [2025-02-08 05:26:45,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:45,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:45,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 05:26:45,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 05:26:45,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:45,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:45,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:45,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984411525] [2025-02-08 05:26:45,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984411525] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:45,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:45,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:45,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105365532] [2025-02-08 05:26:45,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:45,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:45,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:45,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:45,542 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 157 [2025-02-08 05:26:45,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 81 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:45,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 157 [2025-02-08 05:26:45,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:45,558 INFO L124 PetriNetUnfolderBase]: 1/84 cut-off events. [2025-02-08 05:26:45,559 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:45,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 84 events. 1/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 74. Up to 8 conditions per place. [2025-02-08 05:26:45,560 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 8 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2025-02-08 05:26:45,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 81 transitions, 188 flow [2025-02-08 05:26:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2025-02-08 05:26:45,562 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8704883227176221 [2025-02-08 05:26:45,562 INFO L175 Difference]: Start difference. First operand has 86 places, 81 transitions, 168 flow. Second operand 3 states and 410 transitions. [2025-02-08 05:26:45,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 81 transitions, 188 flow [2025-02-08 05:26:45,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 81 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:26:45,564 INFO L231 Difference]: Finished difference. Result has 85 places, 80 transitions, 166 flow [2025-02-08 05:26:45,565 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=85, PETRI_TRANSITIONS=80} [2025-02-08 05:26:45,566 INFO L279 CegarLoopForPetriNet]: 103 programPoint places, -18 predicate places. [2025-02-08 05:26:45,566 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 80 transitions, 166 flow [2025-02-08 05:26:45,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:45,566 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:26:45,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:26:45,567 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:26:45,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:45,567 INFO L85 PathProgramCache]: Analyzing trace with hash -701059238, now seen corresponding path program 1 times [2025-02-08 05:26:45,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:45,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199254991] [2025-02-08 05:26:45,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:45,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:45,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 05:26:45,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 05:26:45,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:45,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:45,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:45,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199254991] [2025-02-08 05:26:45,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199254991] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:45,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:45,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:45,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498664867] [2025-02-08 05:26:45,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:45,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:45,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:45,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:45,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:45,692 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 157 [2025-02-08 05:26:45,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 80 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:45,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 157 [2025-02-08 05:26:45,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:45,709 INFO L124 PetriNetUnfolderBase]: 0/79 cut-off events. [2025-02-08 05:26:45,710 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:45,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 79 events. 0/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2025-02-08 05:26:45,711 INFO L140 encePairwiseOnDemand]: 155/157 looper letters, 4 selfloop transitions, 0 changer transitions 19/79 dead transitions. [2025-02-08 05:26:45,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 79 transitions, 180 flow [2025-02-08 05:26:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2025-02-08 05:26:45,712 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8407643312101911 [2025-02-08 05:26:45,712 INFO L175 Difference]: Start difference. First operand has 85 places, 80 transitions, 166 flow. Second operand 3 states and 396 transitions. [2025-02-08 05:26:45,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 79 transitions, 180 flow [2025-02-08 05:26:45,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 79 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:26:45,715 INFO L231 Difference]: Finished difference. Result has 84 places, 60 transitions, 120 flow [2025-02-08 05:26:45,715 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=84, PETRI_TRANSITIONS=60} [2025-02-08 05:26:45,716 INFO L279 CegarLoopForPetriNet]: 103 programPoint places, -19 predicate places. [2025-02-08 05:26:45,717 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 60 transitions, 120 flow [2025-02-08 05:26:45,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,717 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:45,717 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:26:45,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:26:45,717 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:26:45,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:45,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1082628906, now seen corresponding path program 1 times [2025-02-08 05:26:45,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:45,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430746523] [2025-02-08 05:26:45,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:45,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:45,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 05:26:45,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 05:26:45,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:45,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:45,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:45,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430746523] [2025-02-08 05:26:45,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430746523] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:45,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:45,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:26:45,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285723215] [2025-02-08 05:26:45,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:45,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:26:45,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:45,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:26:45,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:26:45,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 157 [2025-02-08 05:26:45,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 60 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 133.5) internal successors, (534), 4 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:45,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 157 [2025-02-08 05:26:45,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:45,852 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2025-02-08 05:26:45,852 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:45,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 0/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/55 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2025-02-08 05:26:45,852 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2025-02-08 05:26:45,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 54 transitions, 116 flow [2025-02-08 05:26:45,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:26:45,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 05:26:45,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 533 transitions. [2025-02-08 05:26:45,855 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8487261146496815 [2025-02-08 05:26:45,855 INFO L175 Difference]: Start difference. First operand has 84 places, 60 transitions, 120 flow. Second operand 4 states and 533 transitions. [2025-02-08 05:26:45,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 54 transitions, 116 flow [2025-02-08 05:26:45,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 54 transitions, 116 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:26:45,856 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2025-02-08 05:26:45,856 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2025-02-08 05:26:45,857 INFO L279 CegarLoopForPetriNet]: 103 programPoint places, -44 predicate places. [2025-02-08 05:26:45,857 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2025-02-08 05:26:45,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.5) internal successors, (534), 4 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:26:45,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2025-02-08 05:26:45,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-02-08 05:26:45,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 05:26:45,860 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-08 05:26:45,864 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:26:45,865 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:26:45,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:26:45 BasicIcfg [2025-02-08 05:26:45,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:26:45,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:26:45,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:26:45,872 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:26:45,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:26:44" (3/4) ... [2025-02-08 05:26:45,873 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:26:45,875 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 05:26:45,879 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-08 05:26:45,880 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 05:26:45,880 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:26:45,880 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:26:45,937 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:26:45,938 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:26:45,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:26:45,939 INFO L158 Benchmark]: Toolchain (without parser) took 2552.05ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 47.6MB in the end (delta: 57.1MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2025-02-08 05:26:45,939 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:26:45,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.80ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 52.4MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-08 05:26:45,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.63ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 49.2MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:26:45,940 INFO L158 Benchmark]: Boogie Preprocessor took 30.53ms. Allocated memory is still 142.6MB. Free memory was 49.2MB in the beginning and 47.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:26:45,940 INFO L158 Benchmark]: IcfgBuilder took 408.72ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 93.8MB in the end (delta: -46.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2025-02-08 05:26:45,940 INFO L158 Benchmark]: TraceAbstraction took 1348.38ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 54.0MB in the end (delta: 39.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2025-02-08 05:26:45,940 INFO L158 Benchmark]: Witness Printer took 66.65ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 47.6MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:26:45,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.80ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 52.4MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.63ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 49.2MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.53ms. Allocated memory is still 142.6MB. Free memory was 49.2MB in the beginning and 47.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 408.72ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 93.8MB in the end (delta: -46.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1348.38ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 54.0MB in the end (delta: 39.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 66.65ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 47.6MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 179 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 61 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:26:45,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE